diff --git a/regress/lib/libssl/client/clienttest.c b/regress/lib/libssl/client/clienttest.c
index f9258105f81..ddbc43c61a5 100644
--- a/regress/lib/libssl/client/clienttest.c
+++ b/regress/lib/libssl/client/clienttest.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: clienttest.c,v 1.46 2025/12/04 21:16:17 beck Exp $ */
+/*	$OpenBSD: clienttest.c,v 1.47 2026/03/30 06:23:33 tb Exp $ */
 /*
  * Copyright (c) 2015 Joel Sing <jsing@openbsd.org>
  *
@@ -99,9 +99,9 @@ static const uint8_t cipher_list_dtls12_chacha[] = {
 
 static const uint8_t client_hello_dtls12[] = {
 	0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0x00, 0xba, 0x01, 0x00, 0x00,
-	0xae, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-	0xae, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00,
+	0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0xb4, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -116,13 +116,14 @@ static const uint8_t client_hello_dtls12[] = {
 	0xbe, 0x00, 0x45, 0x00, 0x9c, 0x00, 0x3c, 0x00,
 	0x2f, 0x00, 0xba, 0x00, 0x41, 0xc0, 0x12, 0xc0,
 	0x08, 0x00, 0x16, 0x00, 0x0a, 0x00, 0xff, 0x01,
-	0x00, 0x00, 0x34, 0x00, 0x0a, 0x00, 0x0a, 0x00,
+	0x00, 0x00, 0x3a, 0x00, 0x0a, 0x00, 0x0a, 0x00,
 	0x08, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, 0x00,
 	0x19, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, 0x00,
-	0x23, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x18, 0x00,
-	0x16, 0x08, 0x06, 0x06, 0x01, 0x06, 0x03, 0x08,
-	0x05, 0x05, 0x01, 0x05, 0x03, 0x08, 0x04, 0x04,
-	0x01, 0x04, 0x03, 0x02, 0x01, 0x02, 0x03,
+	0x23, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x1e, 0x00,
+	0x1c, 0x08, 0x06, 0x08, 0x0b, 0x06, 0x01, 0x06,
+	0x03, 0x08, 0x05, 0x08, 0x0a, 0x05, 0x01, 0x05,
+	0x03, 0x08, 0x04, 0x08, 0x09, 0x04, 0x01, 0x04,
+	0x03, 0x02, 0x01, 0x02, 0x03,
 };
 
 static const uint8_t cipher_list_tls10[] = {
@@ -208,8 +209,8 @@ static const uint8_t cipher_list_tls12_chacha[] = {
 };
 
 static const uint8_t client_hello_tls12[] = {
-	0x16, 0x03, 0x03, 0x00, 0xb7, 0x01, 0x00, 0x00,
-	0xb3, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x16, 0x03, 0x03, 0x00, 0xbd, 0x01, 0x00, 0x00,
+	0xb9, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -224,14 +225,15 @@ static const uint8_t client_hello_tls12[] = {
 	0x00, 0x45, 0x00, 0x9c, 0x00, 0x3c, 0x00, 0x2f,
 	0x00, 0xba, 0x00, 0x41, 0xc0, 0x11, 0xc0, 0x07,
 	0x00, 0x05, 0xc0, 0x12, 0xc0, 0x08, 0x00, 0x16,
-	0x00, 0x0a, 0x00, 0xff, 0x01, 0x00, 0x00, 0x34,
+	0x00, 0x0a, 0x00, 0xff, 0x01, 0x00, 0x00, 0x3a,
 	0x00, 0x0a, 0x00, 0x0a, 0x00, 0x08, 0x00, 0x1d,
 	0x00, 0x17, 0x00, 0x18, 0x00, 0x19, 0x00, 0x0b,
 	0x00, 0x02, 0x01, 0x00, 0x00, 0x23, 0x00, 0x00,
-	0x00, 0x0d, 0x00, 0x18, 0x00, 0x16, 0x08, 0x06,
-	0x06, 0x01, 0x06, 0x03, 0x08, 0x05, 0x05, 0x01,
-	0x05, 0x03, 0x08, 0x04, 0x04, 0x01, 0x04, 0x03,
-	0x02, 0x01, 0x02, 0x03,
+	0x00, 0x0d, 0x00, 0x1e, 0x00, 0x1c, 0x08, 0x06,
+	0x08, 0x0b, 0x06, 0x01, 0x06, 0x03, 0x08, 0x05,
+	0x08, 0x0a, 0x05, 0x01, 0x05, 0x03, 0x08, 0x04,
+	0x08, 0x09, 0x04, 0x01, 0x04, 0x03, 0x02, 0x01,
+	0x02, 0x03,
 };
 
 static const uint8_t cipher_list_tls13_aes[] = {
@@ -265,8 +267,8 @@ static const uint8_t cipher_list_tls13_chacha[] = {
 };
 
 static const uint8_t client_hello_tls13[] = {
-	0x16, 0x03, 0x03, 0x05, 0xd6, 0x01, 0x00, 0x05,
-	0xd2, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x16, 0x03, 0x03, 0x05, 0xdc, 0x01, 0x00, 0x05,
+	0xd8, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -286,7 +288,7 @@ static const uint8_t client_hello_tls13[] = {
 	0x00, 0x45, 0x00, 0x9c, 0x00, 0x3c, 0x00, 0x2f,
 	0x00, 0xba, 0x00, 0x41, 0xc0, 0x11, 0xc0, 0x07,
 	0x00, 0x05, 0xc0, 0x12, 0xc0, 0x08, 0x00, 0x16,
-	0x00, 0x0a, 0x01, 0x00, 0x05, 0x2d, 0x00, 0x2b,
+	0x00, 0x0a, 0x01, 0x00, 0x05, 0x33, 0x00, 0x2b,
 	0x00, 0x05, 0x04, 0x03, 0x04, 0x03, 0x03, 0x00,
 	0x0a, 0x00, 0x0c, 0x00, 0x0a, 0x11, 0xec, 0x00,
 	0x1d, 0x00, 0x17, 0x00, 0x18, 0x00, 0x19, 0x00,
@@ -449,10 +451,11 @@ static const uint8_t client_hello_tls13[] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00,
 	0x02, 0x01, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00,
-	0x0d, 0x00, 0x18, 0x00, 0x16, 0x08, 0x06, 0x06,
-	0x01, 0x06, 0x03, 0x08, 0x05, 0x05, 0x01, 0x05,
-	0x03, 0x08, 0x04, 0x04, 0x01, 0x04, 0x03, 0x02,
-	0x01, 0x02, 0x03,
+	0x0d, 0x00, 0x1e, 0x00, 0x1c, 0x08, 0x06, 0x08,
+	0x0b, 0x06, 0x01, 0x06, 0x03, 0x08, 0x05, 0x08,
+	0x0a, 0x05, 0x01, 0x05, 0x03, 0x08, 0x04, 0x08,
+	0x09, 0x04, 0x01, 0x04, 0x03, 0x02, 0x01, 0x02,
+	0x03,
 };
 
 static const uint8_t cipher_list_tls13_only_aes[] = {
@@ -464,8 +467,8 @@ static const uint8_t cipher_list_tls13_only_chacha[] = {
 };
 
 static const uint8_t client_hello_tls13_only[] = {
-	0x16, 0x03, 0x03, 0x05, 0x7c, 0x01, 0x00, 0x05,
-	0x78, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x16, 0x03, 0x03, 0x05, 0x82, 0x01, 0x00, 0x05,
+	0x7e, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -475,7 +478,7 @@ static const uint8_t client_hello_tls13_only[] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x13, 0x03,
 	0x13, 0x02, 0x13, 0x01, 0x00, 0xff, 0x01, 0x00,
-	0x05, 0x27, 0x00, 0x2b, 0x00, 0x03, 0x02, 0x03,
+	0x05, 0x2d, 0x00, 0x2b, 0x00, 0x03, 0x02, 0x03,
 	0x04, 0x00, 0x0a, 0x00, 0x0c, 0x00, 0x0a, 0x11,
 	0xec, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, 0x00,
 	0x19, 0x00, 0x33, 0x04, 0xea, 0x04, 0xe8, 0x11,
@@ -637,10 +640,10 @@ static const uint8_t client_hello_tls13_only[] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 	0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x23, 0x00,
-	0x00, 0x00, 0x0d, 0x00, 0x14, 0x00, 0x12, 0x08,
-	0x06, 0x06, 0x01, 0x06, 0x03, 0x08, 0x05, 0x05,
-	0x01, 0x05, 0x03, 0x08, 0x04, 0x04, 0x01, 0x04,
-	0x03,
+	0x00, 0x00, 0x0d, 0x00, 0x1a, 0x00, 0x18, 0x08,
+	0x06, 0x08, 0x0b, 0x06, 0x01, 0x06, 0x03, 0x08,
+	0x05, 0x08, 0x0a, 0x05, 0x01, 0x05, 0x03, 0x08,
+	0x04, 0x08, 0x09, 0x04, 0x01, 0x04, 0x03,
 };
 
 struct client_hello_test {
diff --git a/regress/lib/libssl/tlsext/tlsexttest.c b/regress/lib/libssl/tlsext/tlsexttest.c
index 4c3701a63d6..7a329756292 100644
--- a/regress/lib/libssl/tlsext/tlsexttest.c
+++ b/regress/lib/libssl/tlsext/tlsexttest.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tlsexttest.c,v 1.95 2025/12/04 21:03:42 beck Exp $ */
+/* $OpenBSD: tlsexttest.c,v 1.96 2026/03/30 06:23:33 tb Exp $ */
 /*
  * Copyright (c) 2017 Joel Sing <jsing@openbsd.org>
  * Copyright (c) 2017 Doug Hogan <doug@openbsd.org>
@@ -1608,9 +1608,10 @@ test_tlsext_ri_server(void)
  */
 
 static const unsigned char tlsext_sigalgs_client[] = {
-	0x00, 0x16, 0x08, 0x06, 0x06, 0x01, 0x06, 0x03,
-	0x08, 0x05, 0x05, 0x01, 0x05, 0x03, 0x08, 0x04,
-	0x04, 0x01, 0x04, 0x03, 0x02, 0x01, 0x02, 0x03,
+	0x00, 0x1c, 0x08, 0x06, 0x08, 0x0b, 0x06, 0x01,
+	0x06, 0x03, 0x08, 0x05, 0x08, 0x0a, 0x05, 0x01,
+	0x05, 0x03, 0x08, 0x04, 0x08, 0x09, 0x04, 0x01,
+	0x04, 0x03, 0x02, 0x01, 0x02, 0x03,
 };
 
 static int
@@ -3186,13 +3187,14 @@ test_tlsext_srtp_server(void)
 #endif /* OPENSSL_NO_SRTP */
 
 static const unsigned char tlsext_clienthello_default[] = {
-	0x00, 0x34, 0x00, 0x0a, 0x00, 0x0a, 0x00, 0x08,
+	0x00, 0x3a, 0x00, 0x0a, 0x00, 0x0a, 0x00, 0x08,
 	0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, 0x00, 0x19,
 	0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x23,
-	0x00, 0x00, 0x00, 0x0d, 0x00, 0x18, 0x00, 0x16,
-	0x08, 0x06, 0x06, 0x01, 0x06, 0x03, 0x08, 0x05,
-	0x05, 0x01, 0x05, 0x03, 0x08, 0x04, 0x04, 0x01,
-	0x04, 0x03, 0x02, 0x01, 0x02, 0x03,
+	0x00, 0x00, 0x00, 0x0d, 0x00, 0x1e, 0x00, 0x1c,
+	0x08, 0x06, 0x08, 0x0b, 0x06, 0x01, 0x06, 0x03,
+	0x08, 0x05, 0x08, 0x0a, 0x05, 0x01, 0x05, 0x03,
+	0x08, 0x04, 0x08, 0x09, 0x04, 0x01, 0x04, 0x03,
+	0x02, 0x01, 0x02, 0x03,
 };
 
 /* An empty array is an incomplete type and sizeof() is undefined. */